Proto Labs, Inc. operates as a leading global digital manufacturing company, specializing in the rapid production of custom prototypes and on-demand parts through its online platform. The firm offers a comprehensive range of advanced manufacturing services, including precision injection molding, computer numerical control (CNC) machining, and various additive manufacturing (3D printing) technologies such as stereolithography, selective laser sintering, direct metal laser sintering, Multi Jet Fusion, PolyJet, and Carbon DLS. Additionally, it provides quick-turn, custom sheet metal fabrication, all accessible via its e-commerce interface.